Lol if you want some references that I imagine you'll refuse to read: https://academic.oup.com/cid/article/52/7/911/299077 … http://op12no2.me/stuff/herdhis.pdf … https://academic.oup.com/ije/article/23/6/1300/660409 …https://royalsocietypublishing.org/doi/abs/10.1098/rspb.2006.3636 …
Herd immunity is present even in some unvaccinated populations. Think about old people who get chickenpox in the UK - they don't spread it far and wide
The issue is, of course, that 95% of the population has to get the disease first for this to happen 